polypite

例句：

1. 1. The polypite in thesoil is essential for plant growth.
   土壤中的多孔石对植物生长至关重要。
2. 2. The polypite in the riverbed provides excellenthabitat for aquatic plants.
   河床中的多孔石为水生植物提供了极佳的栖息地。
3. 3. The polypite in the rockshas been found to contain traceamounts of mercury.
   岩石中的多孔石被发现含有微量的汞。